/Engine/Source/Runtime/Engine/Public/Physics/GenericPhysicsInterface.h
Sweep a supplied shape against the world and do not stop until the first blocking hit
template<typename GeomWrapper> static bool GeomSweepMulti ( const [UWorld](API\Runtime\Engine\Engine\UWorld) * World, const GeomWrapper & InGeom, const FQuat & InGeomRot, [TArray](API\Runtime\Core\Containers\TArray)< [FHitResult](API\Runtime\Engine\Engine\FHitResult) > & OutHits, FVector Start, FVector End, ECollisionChannel TraceChannel, const [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & Params, const [FCollisionResponseParams](API\Runtime\Engine\FCollisionResponseParams) & ResponseParams, const [FCollisionObjectQueryParams](API\Runtime\Engine\FCollisionObjectQueryParams) & ObjectParams )